The first case does a type comparison with the message.

第一个case给消息做了一个类型比较。

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These literal values determine the data type of the comparison.

这些文字值决定了比较的数据类型。

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Attempting to check the data type when matching a pattern or in a value comparison.

当匹配模式或者进行值比较时，需要检查数据类型。

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By comparison, meteors of the type that hit Russia originate at the earliest reaches of time in the disk of gas and dust that swirled around the early sun.

WSJ: Russia Meteor Was Largest in More Than a Century

Simply type in the product name of the item you are considering and use an online product comparison tool like Google Product Search, NexTag.com or BizRate.com.

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In comparison, the iPad mating keyboard offered by Logitech is even smaller than the type cover, but it is more versatile because it is linked to the iPad by Bluetooth, rather than direct mechanical connection.

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